From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Design position report detailing the status of research and modifications for single cylinder, Kestrel, and Merlin 'C' engines.
| Identifier | ExFiles\Box 30\3\ Scan218 | |
| Date | 20th August 1935 | |
| (8) ITEM. DESIGN POSITION. SINGLE CYLINDER AND GENERAL RESEARCH. - CONT'D.{John DeLooze - Company Secretary} Kestrel single cylinder unit:- 8 to 1 compression ratio piston. In hand. Mod. to single cylinder unit C'cases for tilting at 30°. In hand. Investigation of highest compression ratios which can be used In hand. on existing cylinder heads. Shortening of balance weights for long skirt pistons PV.XII single In hand. cylinder unit. Shortening of balance weights for long skirt pistons P.V.G. single In hand. cylinder unit. KESTREL ENGINE. Adaption of RR. V.P. airscrew hub to take Schwarz blades. In hand. RR.Hele Shaw airscrew oil pump:- modified crankpin actuation. Completed 9.8.35. Oil gland test rig:- rear end of Hele-Shaw V.P. Airscrew shaft. " 15.8.35. Mod. to V.P. airscrew hub to facilitate machining. " 20.8.35. MERLIN "C" ENGINE. Mod. to wheelcase for generator drive. Completed 9.8.35. Arrgt. of starting gear. In hand. Mods. to carburetter controls. In hand. | ||